import {login, logout, getInfo} from '@/api/user'
import {getToken, setToken, removeToken} from '@/utils/auth'
import {resetRouter} from '@/router'
import store from '@/store'
import {BASE_URL} from '@/utils/request'

const getDefaultState = () => {
  return {
    token: getToken(),
    name: '',
    avatar: '',
    info: null,
    lid: null
  }
}

const state = getDefaultState()

const mutations = {
  RESET_STATE: (state) => {
    Object.assign(state, getDefaultState())
  },
  SET_TOKEN: (state, token) => {
    state.token = token
  },
  SET_NAME: (state, name) => {
    state.name = name
  },
  SET_AVATAR: (state, avatar) => {
    state.avatar = avatar
  },
  SET_ROLE: (state, role) => {
    state.role = role
  },
  SET_INFO: (state, info) => {
    state.info = info
  },
  SET_ID: (state, lid) => {
    state.lid = lid
  }
}

const actions = {
  // user login
  login({commit}, userInfo) {
    const {username, password} = userInfo
    return new Promise((resolve, reject) => {
      login({username: username.trim(), password: password}).then(response => {
        const {data} = response
        commit('SET_TOKEN', data)
        setToken(data)
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // get user info
  getInfo({dispatch, commit}) {
    return new Promise((resolve, reject) => {
      getInfo().then(response => {
        const {data} = response

        if (!data) {
          dispatch('user/logout')
          return reject('认证失败')
        }

        const {name, avatar, role, lid} = data
        commit('SET_ID', lid)
        commit('SET_AVATAR', BASE_URL + avatar)
        commit('SET_ROLE', role)
        commit('SET_NAME', name)
        commit('SET_INFO', data)
        resolve(data)
      }).catch(error => {
        reject(error)
      })
    })
  },

  // user logout
  logout({commit, state}) {
    return new Promise((resolve, reject) => {
      logout(state.token).then(() => {
        removeToken() // must remove  token  first
        resetRouter()
        commit('RESET_STATE')
        resolve()
      }).catch(error => {
        reject(error)
      })
    })
  },

  // remove token
  resetToken({commit}) {
    return new Promise(resolve => {
      removeToken() // must remove  token  first
      commit('RESET_STATE')
      resolve()
    })
  }
}

export default {
  namespaced: true,
  state,
  mutations,
  actions
}

